random warning fixes
[fceu.git] / boards / 189.c
CommitLineData
386f5371 1/* FCE Ultra - NES/Famicom Emulator\r
2 *\r
3 * Copyright notice for this file:\r
4 * Copyright (C) 2005 CaH4e3\r
5 *\r
6 * This program is free software; you can redistribute it and/or modify\r
7 * it under the terms of the GNU General Public License as published by\r
8 * the Free Software Foundation; either version 2 of the License, or\r
9 * (at your option) any later version.\r
10 *\r
11 * This program is distributed in the hope that it will be useful,\r
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
14 * GNU General Public License for more details.\r
15 *\r
16 * You should have received a copy of the GNU General Public License\r
17 * along with this program; if not, write to the Free Software\r
43725da7 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
386f5371 19 */\r
20\r
21#include "mapinc.h"\r
22#include "mmc3.h"\r
23\r
24static void M189PW(uint32 A, uint8 V)\r
25{\r
43725da7 26 setprg32(0x8000,EXPREGS[0]&7);\r
386f5371 27}\r
28\r
29static DECLFW(M189Write)\r
30{\r
31 EXPREGS[0]=V|(V>>4); //actually, there is a two versions of 189 mapper with hi or lo bits bankswitching.\r
32 FixMMC3PRG(MMC3_cmd);\r
33}\r
34\r
35static void M189Power(void)\r
36{\r
37 EXPREGS[0]=EXPREGS[1]=0;\r
38 GenMMC3Power();\r
39 SetWriteHandler(0x4120,0x7FFF,M189Write);\r
40}\r
41\r
42void Mapper189_Init(CartInfo *info)\r
43{\r
44 GenMMC3_Init(info, 256, 256, 0, 0);\r
45 pwrap=M189PW;\r
46 info->Power=M189Power;\r
47 AddExState(EXPREGS, 2, 0, "EXPR");\r
48}\r